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Finding the Fourth Proportional to 4,828.96, 7,244.32 and 1,542.88

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Solution

The fourth proportional to 4,828.96, 7,244.32 and 1,542.88 is: 2,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.96 : 7,244.32 = 1,542.88 : x
  2. Step 2: Convert to fraction form
    4,828.96/7,244.32 = 1,542.88/x
  3. Step 3: Cross multiply
    4,828.96x = 7,244.32 × 1,542.88
  4. Step 4: Simplify right side
    4,828.96x = 11,177,116.44
  5. Step 5: Solve for x
    x = 11,177,116.44/4,828.96
  6. Step 6: Final answer
    x = 2,314.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.